STM32L452RET6TR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripheral set
• Package: LQFP64
• Essence: ARM Cortex-M4 32-bit RISC core
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• RAM: 160 KB
• Operating Voltage: 1.71V to 3.6V
• I/O Pins: 51
• Communication Interfaces: UART, SPI, I2C, USB, CAN
• Analog-to-Digital Converter (ADC): 12-bit, up to 16 channels
• Timers: General-purpose timers, advanced-control timers, watchdog timer
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STM32L452RET6TR microcontroller has a total of 64 pins arranged in a Low Quad Flat Package (LQFP). The pin configuration is as follows:

Functional Features

• Low power consumption in active and standby modes
• High-performance ARM Cortex-M4 core for efficient processing
• Rich set of peripherals for versatile applications
• Advanced power management features for optimized energy efficiency
• Secure boot and memory protection mechanisms for enhanced security
• Real-time clock (RTC) with calendar and alarm functions
• Multiple communication interfaces for seamless connectivity
• Flexible GPIOs for interfacing with external devices
• Comprehensive development ecosystem with software libraries and tools

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High-performance core enables efficient execution of complex tasks - Rich peripheral set allows for diverse application possibilities - Advanced power management features optimize energy efficiency - Secure boot and memory protection enhance system security

Disadvantages: - Limited flash memory and RAM compared to higher-end microcontrollers - Relatively smaller number of I/O pins may restrict connectivity options in complex systems

Working Principles

The STM32L452RET6TR microcontroller is based on the ARM Cortex-M4 32-bit RISC core. It operates by executing instructions stored in its flash memory, utilizing the rich set of peripherals to interact with external devices. The low power consumption is achieved through various power-saving modes, allowing the microcontroller to operate efficiently in battery-powered applications. The advanced power management features enable dynamic voltage scaling and clock gating to minimize power consumption.

Detailed Application Field Plans

The STM32L452RET6TR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in smart home automation, industrial monitoring, and wearable devices.
2. Consumer electronics: Powers portable devices such as fitness trackers, remote controls, and handheld gaming consoles.
3. Industrial automation: Controls and monitors machinery, sensors, and actuators in manufacturing processes.
4. Medical devices: Provides processing capabilities for medical instruments, patient monitoring systems, and diagnostic equipment.
5. Automotive electronics: Supports vehicle control systems, infotainment systems, and driver assistance features.

Alternative Models

• STM32L432KCU6TR
• STM32L476RGT6TR
• STM32L412RET6TR
• STM32L053C8U6TR

These alternative models offer similar functionalities and are compatible with the STM32L452RET6TR in terms of pin configuration and software development tools.

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